Effexor xr and Platelet count increased - a phase IV clinical study of FDA data

Summary:

Platelet count increased is reported as a side effect among people who take Effexor xr (venlafaxine hydrochloride), especially for people who are female, 40-49 old, have been taking the drug for < 1 month also take Flexeril, and have Panic disorder.

The phase IV clinical study analyzes which people have Platelet count increased when taking Effexor xr. It is created by eHealthMe based on reports of 31,325 people who have side effects when taking Effexor xr from the FDA, and is updated regularly.

What is Effexor xr?

Effexor xr has active ingredients of venlafaxine hydrochloride. It is often used in depression. eHealthMe is studying from 35,235 Effexor xr users. Check the latest studies of Effexor xr.

What is Platelet count increased?

Platelet count increased is found to be associated with 958 drugs and 1,190 conditions by eHealthMe. Check the latest studies of Platelet count increased.

eHealthMe: drug outcomes in the real world

eHealthMe runs one of the largest post-marketing drug safety studies in the world. We study millions of patients and 5,000 more each day. Our data-driven phase IV clinical trials have been referenced on 800+ peer-reviewed medical publications including The Lancet, Mayo Clinic Proceedings, and Nature. Tools to study our phase IV findings are available to the public, anonymous and free >>>.

On Aug, 31, 2026

31,325 people reported to have side effects when taking Effexor xr.
Among them, 38 people (0.12%) have Platelet count increased.

Could Effexor xr cause Platelet count increased?

Among these 38 people:

How long have people been on Effexor xr when they have Platelet count increased? *

What is the gender of people who have Platelet count increased when taking Effexor xr? *

female: 64.52 %
male: 35.48 %

What is the age of people who have Platelet count increased when taking Effexor xr? *

What are other drugs people take besides Effexor xr? *

Flexeril: 10 people, 26.32%
Klonopin: 8 people, 21.05%
Remeron: 7 people, 18.42%
Ambien: 7 people, 18.42%
Macrobid: 6 people, 15.79%
Albuterol: 6 people, 15.79%
Intron A: 6 people, 15.79%
Prochlorperazine Maleate: 6 people, 15.79%
Prevacid: 6 people, 15.79%
Coumadin: 6 people, 15.79%

What are other side effects people have besides Platelet count increased? *

Rashes (redness): 15 people, 39.47%
Fatigue (feeling of tiredness): 13 people, 34.21%
Fall: 13 people, 34.21%
Diarrhea: 12 people, 31.58%
Nausea (feeling of having an urge to vomit): 11 people, 28.95%
Fever: 10 people, 26.32%
Constipation: 10 people, 26.32%
Sinusitis (inflammation of sinus): 10 people, 26.32%
Weakness: 9 people, 23.68%
Orthostatic Hypotension (a medical condition consisting of a sudden decrease in blood pressure when a person stands up): 8 people, 21.05%

What are the existing conditions these people have? *

Panic Disorder: 7 people, 18.42%
Multiple Myeloma (cancer of the plasma cells): 6 people, 15.79%
Malignant Melanoma (skin cancer rises from melancytes): 6 people, 15.79%
Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 5 people, 13.16%
Polycythaemia Vera (blood disorder in which the bone marrow makes too many red blood cells): 5 people, 13.16%
Headache (pain in head): 5 people, 13.16%
Iron Deficiency: 5 people, 13.16%
Oropharyngeal Pain: 5 people, 13.16%
Oral Herpes (viral infection of mouth): 5 people, 13.16%
Nausea (feeling of having an urge to vomit): 5 people, 13.16%

* Approximation only. Some reports may have incomplete information.

Do you take Effexor xr and have Platelet count increased?

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Related studies:

Effectiveness of, long term effects of, and alternative drugs to Effexor xr:

Effexor xr (35,235 reports)

Browse all side effects of Effexor xr:

a b c d e f g h i j k l m n o p q r s t u v w x y z

Browse all the drugs that are associated with Platelet count increased:

Platelet count increased (958 drugs)

Browse all the conditions that are associated with Platelet count increased:

Platelet count increased (1,190 conditions)

How the study uses the data?

The study uses data from the FDA. It is based on venlafaxine hydrochloride (the active ingredients of Effexor xr) and Effexor xr (the brand name). Other drugs that have the same active ingredients (e.g. generic drugs) are not considered. Dosage of drugs is not considered in the study.

How to use the study?

DO NOT STOP MEDICATIONS without first consulting your doctor. If there are any serious or long term adverse effects discovered in the study, discuss the study with your doctor to ensure that proper medication management will be in place if applicable.

Who is eHealthMe?

With medical big data and proven AI/ML algorithms, eHealthMe provides a platform for everyone to run phase IV clinical trials. We study millions of patients and 5,000 more each day. Results of our real-world drug study have been referenced on 800+ peer-reviewed medical publications, including The Lancet, Mayo Clinic Proceedings, and Nature. Our analysis results are available to researchers, health care professionals, patients (testimonials), and software developers (open API).

WARNING, DISCLAIMER, USE FOR PUBLICATION

WARNING: Please DO NOT STOP MEDICATIONS without first consulting a physician since doing so could be hazardous to your health.

DISCLAIMER: All material available on eHealthMe.com is for informational purposes only, and is not a substitute for medical advice, diagnosis, or treatment provided by a qualified healthcare provider. All information is observation-only. Our phase IV clinical studies alone cannot establish cause-effect relationship. Different individuals may respond to medication in different ways. Every effort has been made to ensure that all information is accurate, up-to-date, and complete, but no guarantee is made to that effect. The use of the eHealthMe site and its content is at your own risk.

If you use this eHealthMe study on publication, please acknowledge it with a citation: study title, URL, accessed date.